{
"appid": "string",
"openid": "string",
"refresh_token": "string",
"sign": "string",
"ts": 0
}
curl --location --request POST 'https://api.kg.qq.com/oauth/v2/refresh_token' \
--header 'Content-Type: application/json' \
--data-raw '{
"appid": "string",
"openid": "string",
"refresh_token": "string",
"sign": "string",
"ts": 0
}'
{
"access_token": "string",
"expires_in": "string",
"error_code": "string",
"error_msg": "string"
}